Air heater



T. w. TORR Sept. 5, 1933.

AIR HEATER Filed Sept. 22, 1930 2 Sheets-Sheet 1 INVENTOR T/mmas @7017 1 j ATTORNEYS Sept. 5, 1933. w TQRR 1,925,122

-AIR HEATER Filed Sept. 22, 1930 2 Sheets-Sheet 2 INVENTOR w M0? W. 752

A TTORNE YS Patented Sept, 5, 1933 o f omrso STATES ra'rsar clerics Thomas W. Torr, Dowagiac, IVIich., assigncr to Rudy Furnace Company, Dowagiac, Mich.

Application September 22,, 193% Serial No. 483,484

6 Claims. 126-116) The main objects of this invention. are: chambers are preferably thin-walled andformed First, to provide a highly efficient gas burning of sheet material, and, it will be observed, they air heating furnace. are arranged in spaced relation to the heater Second, to provide a gas burning furnace in units so that air can circulate freely around the which the moisture is effectively removed from heater units and also around the condenserchamthe products of combustion, permitting the disbers, which serve or function as heat radiating charge thereof at lower temperatures than otherdrums. wi e would be practicable. These condenser chambers are flat and of sub- Third, to provide a structure having these adstantially th height of the heater units, being a w vantages which is quite compact and simple and connected to the flue portions 6 thereof by means 5 economical in its parts. of flues 12 so that the products of combustion Objects pertaining to details and economies or" circulate from the combustion or burner chamber my invention will definitely appear from the dethrough the radiator and into the flue chamber scription to follow. The invention is defined in 6, from which they pass into the condenser the claims. chambers.

A structure which embodies the features of my The Condenser Chamber 19 s a discharge fillinvention is clearly illustrated in the accoinpanyl3 communicating W t ott o e Stack ing drawings in which: 14 While the chambers 11 have flues 15 opening Fig. 1 is a front elevation of an air heating furt0 the bottom of i Sta/6k- 9 nace embodying the features of my i enti The condenser chamber is provided with drains with the casing partially sectioned and broken the b t s of he C b s being nc d away. toward these drains. The'drains are preferably Fig. 2 is a vertical section on a line correspondlocated j n the i ar flu nn ions ing to line 22 of Figs. 1 and 3, the smoke or of the 618 e mb w discharge flue being partially br k n away Inclined bafiies l? are arranged below the inlet Fig. 3 is a fragmentary plan view ith th connections for the condenser chambers and excasing removed, th discharge flu being Shown tend downwardly with their lower ends adjacent in section. to but spaced from the bottoms of the condenser Fig. 4 is a vertical section on line 4-4 of Fig. 3 Chambers and their W s pp sit th i dis harg 0 n 1 Q9 showing details of one or the condenser chambers. fille- Referring to the 1 represent a h t With this arrangement the condensers serve air casing or housing having air inlet openings 2 not O y to emove the moisture from the prodat the bottom and discharges 3 to which the hot n of combustion, permitting its dis harg at air pipes or conduits r connected Within th .much lower temperature than would otherwise housing I arrange heater units designated genbe practicable, but they also Serve as radiating orally by the numeral 4, hi h are preferably drums so that the structure is highly efficient. the units of 'my application for Letters Patent I have illustrated and described y p ov filed July 13, 19-29, Serial No, 37 1031, merits in an embodiment which I have found These units comprise burner chamber portions highly practical I have not attempted t illllS- 5 at the bottom, flue portions 6 t th top d trate or describe other embodiments or adapta- 99 intermediate .diator portions 7. The prod t tions as it is believed that this disclosure will of combustion circulate from the combustion or enable those Skilled in the to embody d pt Cil burner cl her 5 through the radiator to the my mp ov e s as ay b desiredflue charm er 6. The burner 8 is arranged hori- Having thus described my invention what I zontaliy wi the combustion chamber. The claim as new and desire to secure by Letters Patcombustion chamber is provided with an air exit is: Y inlet 9. 1. In a heater, the combination with a hot The means for controlling the gas are not illusi Casing of plurality of elf upporting 5O tlated as t y form p rt O this invention right heater units arranged therein and each com- 6 Between the heater units I arrange a vertical prising a burner h b r t the bottom, a flue fiat thin-walled condenser chamber 10 and at the h b r t th {30p nd a intermediate radiator sides thereof condenser chambers 11. These conportion burners arranged in a d burner chamdenser chambers are the same in structure except bers, vertically disposed flat thinn com 55 that the chambers 11 are thinner or of less ca denser chambers arranged within said casing be- Dacity than the chamber 10. These condenser tween and at the outer sides of said heater units and in spaced parallel relation thereto to permit the circulation of air around the heater units and condenser chambers, fiues connecting all of the flue chambers of said heater units in parallel with the tops of all of said condenser chambers, said condenser chambers being suspended from said flues, interconnected discharge fiues connected to the backs of said condenser chambers at the lower ends thereof, inclined bailles arranged within said condenser chambers below the inlet flues, the lower ends of the bafiies being disposed adjacent to but spaced from the bottom of the chambers and their walls opposite their discharge flues, and interconnected drain pipes connected to the bottoms near the backs of the chambers, the bottoms of the chambers being inclined toward said drain pipes.

2. In a heater, the combination with a hot air casing, of a plurality of self supporting upright heater units arranged therein and each comprising a burner chamber at the bottom, a flue chamher at the top and an intermediate radiator portion, burners arranged in said burnerchambers, vertically disposed flat thin-walled condenser chambers arranged within said casing between and at the outer sides of said heater units and in spaced parallel relation thereto to permit the circulation of air around the heater units and condenser chambers, flues connecting the flue chain-- bers of said heater units in parallel with the tops of said condenser chambers, said condenser chambers being suspendedfrom said flues, interconnected discharge flues connected to said condenser chambers at the lower ends thereof, and drain pipes connected to the bottoms of the chambers.

3. In a heater, the combination with a housing, of a plurality of self supporting upright heater units comprising burner chambers and radiator portions through which the products of combustion are circulated, vertically disposed condenser chambers arranged within said housing between and at the outer sides of said heater units and in spaced parallel relation thereto permitting circulation of air around the heater units and condenser chambers, Ilues connecting the tops of the condenser chambers in parallel with the radiators, said condenser chambers being suspended from said flues, discharge fiues connected at the lower ends of the condenser chambers, bafiles arranged between the inlets and discharges of said condenser chambers, and interconnected drains for said condenser chambers.

4. In a heater, the combination with a housing, of a plurality of heater units comprising burner chambers and radiator portions through which the products of combustion are circulated, vertically disposed condenser chambers arranged within said housing between and at the outer sides of said heater units and in spaced parallel relation thereto permitting circulation of air around the heater units and condenser chambers, flues connecting the tops of the condenser chambers in parallel with the radiators, said condenser chambers being suspended from said flues, interconnected discharge flues connected at the lower ends of the condenser chambers, and interconnected drains for said condenser chambers.

5. In a heater, the combination with a housing, of heater units comprising burner chambers and radiator portions through which the products of combustion are circulated, a vertically disposed condenser chamber arranged within said housing between said heater units and in spaced parallel relation thereto permittin circulation of air around the heater units and condenser chamber, fiues connecting the top of the condenser chamber in parallel with the radiators, a discharge flue connected at the lower end of the condenser chamber, and a drain for said condenser chamber.

6. In a heater, the combination with a housing, of a plurality of heater units comprising burner chambers and radiator portions through which the products of combustion are circulated, vertically disposed condenser chambers arranged within said housing between and at the outer sides of said heater units and in spaced parallel relation thereto permitting circulation of air around the heater units and condenser chambers, flues connecting the tops of the condenser chambers with the radiators, discharge 'flues connected at the lower ends of the condenser chambers, and drains for said condenser chambers.

THOMAS W. TORR. 

